Match/split all of libultra (#23)

* libultra from sm64 integrated; 3 libultra functions matched

* All of libultra done!

authored-by: farisawan-2000 <farisawan.2000@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/os/osCreateThread.c b/src/os/osCreateThread.c
new file mode 100644
index 000000000..d714a8eba
--- /dev/null
+++ b/src/os/osCreateThread.c
@@ -0,0 +1,36 @@
+#include "libultra_internal.h"
+
+void __osCleanupThread(void);
+extern OSThread *__osActiveQueue;
+
+
+// Don't warn about pointer->u64 cast
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpointer-to-int-cast"
+
+void osCreateThread(OSThread *thread, OSId id, void (*entry)(void *), void *arg, void *sp, OSPri pri) {
+    register u32 int_disabled;
+    u32 tmp;
+    thread->id = id;
+    thread->priority = pri;
+    thread->next = NULL;
+    thread->queue = NULL;
+    thread->context.pc = (u32) entry;
+    thread->context.a0 = (u64) arg;
+    thread->context.sp = (u64) sp - 16;
+    thread->context.ra = (u64) __osCleanupThread;
+    tmp = OS_IM_ALL;
+    thread->context.sr = 65283;
+    thread->context.rcp = (tmp & 0x3f0000) >> 16;
+    thread->context.fpcsr = (u32) 0x01000800;
+    thread->fp = 0;
+    thread->state = OS_STATE_STOPPED;
+    thread->flags = 0;
+    int_disabled = __osDisableInt();
+    thread->tlnext = __osActiveQueue;
+
+    __osActiveQueue = thread;
+    __osRestoreInt(int_disabled);
+}
+
+#pragma GCC diagnostic pop